... D15*d5*8mm; 4. coating:Ni; 5.magnetization: axial rare earth magnets, neodymium magnet, magnetic material, Neodymium magnet, NeFeB magnet, ... quantity: 100pcsremarks: other size and shape customs General informatin of rare earth magnets:1.Shape:ring, cylinder, block, arc, ladder ... Zn, Ag, Plastic, Phosphor, Epoxy, Au, Parylene Material Grade of Rare Eeath Magnets1 Magnet NN35, N38, N40, N42, N45, N48 ...